(1)-5a³b(m+1)与2a(n+1)b²是同类项
n+1=3 m+1=2
解得n=2m=1
(m-n)²ºº8=(-1)²ºº8=1
(2)√x-6=0
√x=6
x=36
(2)(x-3)²=³√64
(x-3)²=4
x-3=2或x-3=-2
x=5或x=1